Irl Hirsch, MD, MACP


  • Professor and Diabetes Treatment and Teaching Chair
  • Professor of Medicine, Division of Metabolism, Endocrinology and Nutrition

Dr. Hirsch received his medical degree from the University of Missouri School of Medicine in 1984. He completed residency training in internal medicine at the University of Miami, in Miami, Florida and Mount Sinai Hospital in Miami Beach, Florida and a research fellowship at Washington University School of Medicine in St. Louis.

Dr. Hirsch has authored more than 200 research papers. He also has written more than 60 editorials, three commentaries for The Journal of the American Medical Association, numerous book chapters and six books for patients and physicians. He is well known for his yearly “rants” in “Diabetes Technology and Therapeutics”.

Research Interests

From both a research and teaching point of view, Dr. Hirsch has spent his career studying best strategies for the use of insulin therapy and better technology in both type 1 and type 2 diabetes. His ideas about glucose variability have led to the completion of the trial FLAT-SUGAR (FLuctuATion reduction with inSUlin Glp-1 Added togetheR). Additional past major clinical research trials include DCCT, ACCORD, STAR-1, the JDRF Sensor Trial, SEARCH, ORIGIN, and ADAG, a variety of important observations with the T1D Exchange and many more involved with insulin therapy, including the impact of glucose control in bone marrow transplant patients. He has also been outspoken about insulin pricing in the US.

Dr. Hirsch is the former chair of the Professional Practice Committee for the American Diabetes Association and has served as editor-in-chief of two ADA journals, “Clinical Diabetes” and “DOC News”. He has served as a member of the American Board of Internal Medicine.